MAIN BEARING


The bearing element, which is produced with high precision in the engine block and which carries the crankshaft in the engine block in continuous interaction with the crankshaft, is called the main bearing. A four-cylinder engine has five main bearings, and the number of main bearings is always fitted to each engine with more than the number of sleeve bearings.

Bearing elements numbers 1-2-3-4 in the picture above are sleeve bearings and are equal to the number of pistons in each engine. Bearings numbered 5-6-7-8-9 are sleeve bearings operating between the engine block and the crankshaft. Piston rod bearings must be in a semi-circle design with a claw design.



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